A Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel to Duac® Topical Gel in the Treatment of Acne Vulgaris
Primary Purpose
Acne Vulgaris
Status
Completed
Phase
Phase 1
Locations
Study Type
Interventional
Intervention
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Duac® Topical Gel
Placebo Topical Gel
Sponsored by
About this trial
This is an interventional treatment trial for Acne Vulgaris focused on measuring Acne vulgaris, Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel, Duac® Topical Gel
Eligibility Criteria
Inclusion Criteria:
- Male or non-pregnant, non-lactating female, between 12 and 40 years of age with a clinical diagnosis of acne vulgaris.
- Signed informed consent form. For a minor, the parent or legal guardian will sign the consent form and patient will sign assent to participate form.
- If female of child-bearing potential, prepare to abstain from sexual intercourse or use a reliable method of contraception during the study. Patients on hormonal contraceptives must have been on the same for three months prior to baseline visit and continue throughout the duration of the study.
- Have facial acne with 20 or more facial inflammatory lesions and 25 or more non-inflammatory lesions and 2 or less nodulocystic lesions and have an Investigator Global Assessment score of 2, 3 or 4.
- Willing to comply with the study requirements and restrictions including refraining from the use of all other topical acne medications or antibiotics during the treatment period.
Exclusion Criteria:
- Patient has more than 2 facial nodular lesions.
- Patient has active cystic acne.
- Patient has acne conglobata.
- Patients with excessive facial hair that would interfere with the diagnosis or assessment of acne.
- Patients with tatoos or excessive facial scarring that may interfere with the evaluation of the patient's acne.
- Patients with active facial sunburn, peeling due to sunburn and patients who will be exposed to excessive sunlight during the study.
- Any skin condition other than acne vulgaris that would interfere with the evaluation of the patient's acne.
- Females who are pregnant, lactating or likely to become pregnant during the study.
- Patients with a history of or active colitis other than irritable bowel syndrome.
- History of allergy or hypersensitivity to Clindamycin, Lincomycin or benzoyl peroxide or history of any drug hypersensitivity or intolerance which would compromise the patient's safety or the study.
- Significant history or current evidence of chronic infectious disease, system disorder, organ disorder or other medical condition that would place the patient at undue risk by participation.
- Use on the face within 1 month prior to screening/baseline or during the study of the following: cryodestruction or chemodestruction, dermabrasion, photodynamic therapy, acne surgery, intralesional steroids, x-ray therapy.
- Use of the following within 1 month prior to screening/baseline: spironolactone, systemic steroids, systemic antibiotics, systemic treatment for acne vulgaris (other than oral retinoids which require a 6 month washout), systemic anti-inflammatory agents.
- Use of oral isotretinoin (Accutane®) or oral retinoids within 6 months, or therapeutic vitamin A supplements greater than 10,000 units/day.
- Use within 2 weeks prior to screening/baseline of the following: topical steroids, topical retinoids, topical acne treatments including over-the-counter preparations, topical anti-inflammatory agents, medicated cleansers, topical antibiotics.
- Receipt of any drug as part of a research study within 30 days.
- Female patients taking hormonal contraceptives or oral estrogen for less than 3 months and those that plan to change the dosage regimen during the course of the study.
- Previous participation in this study.
- Employees of the investigator or research center or their immediate family members.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm Type
Experimental
Active Comparator
Placebo Comparator
Arm Label
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Duac® Topical Gel
Placebo Topical Gel
Arm Description
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.)
Duac® (Clindamycin 1%/Benzoyl Peroxide 5%) Topical Gel (Stiefel)
Placebo (Vehicle) Topical Gel (Taro Pharmaceuticals Inc.)
Outcomes
Primary Outcome Measures
Bioequivalence of test gel to reference gel
Bioequivalence will be determined by evaluating the mean percent change from baseline to week 11 in the number of inflammatory lesions.
Secondary Outcome Measures
Superiority against placebo
The superiority of the test and reference against the placebo will be tested for the mean percent reduction in inflamed lesion count at week 11.
Full Information
NCT ID
NCT01769664
First Posted
October 11, 2012
Last Updated
January 19, 2014
Sponsor
Taro Pharmaceuticals USA
1. Study Identification
Unique Protocol Identification Number
NCT01769664
Brief Title
A Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel to Duac® Topical Gel in the Treatment of Acne Vulgaris
Official Title
A Randomized, Double-Blind, Multiple-Site, Placebo-Controlled, Parallel Design Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.) to Duac® Topical Gel Clindamycin 1%/Benzoyl Peroxide 5% (Stiefel) in the Treatment of Acne Vulgaris
Study Type
Interventional
2. Study Status
Record Verification Date
January 2014
Overall Recruitment Status
Completed
Study Start Date
September 2012 (undefined)
Primary Completion Date
June 2013 (Actual)
Study Completion Date
August 2013 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Taro Pharmaceuticals USA
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
The objective of this study is to compare the relative efficacy and safety of the test formulation Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.) to the marketed formulation Duac® Topical Gel (Clindamycin 1%/Benzoyl Peroxide 5%) (Stiefel) in the treatment of the inflamed lesions of acne vulgaris. Both the test and reference formulations will also be compared to a placebo formulation to test for superiority.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Acne Vulgaris
Keywords
Acne vulgaris, Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel, Duac® Topical Gel
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Parallel Assignment
Masking
ParticipantInvestigator
Allocation
Randomized
Enrollment
650 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Arm Type
Experimental
Arm Description
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.)
Arm Title
Duac® Topical Gel
Arm Type
Active Comparator
Arm Description
Duac® (Clindamycin 1%/Benzoyl Peroxide 5%) Topical Gel (Stiefel)
Arm Title
Placebo Topical Gel
Arm Type
Placebo Comparator
Arm Description
Placebo (Vehicle) Topical Gel (Taro Pharmaceuticals Inc.)
Intervention Type
Drug
Intervention Name(s)
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Intervention Description
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.) applied once a day in the evening for 77 days (11 weeks)
Intervention Type
Drug
Intervention Name(s)
Duac® Topical Gel
Intervention Description
Duac® (Clindamycin 1%/Benzoyl Peroxide 5%) Topical Gel (Stiefel) applied once a day in the evening for 77 days (11 weeks)
Intervention Type
Drug
Intervention Name(s)
Placebo Topical Gel
Intervention Description
Placebo (Vehicle) Topical Gel (Taro Pharmaceuticals Inc.) applied once a day in the evening for 77 days (11 weeks)
Primary Outcome Measure Information:
Title
Bioequivalence of test gel to reference gel
Description
Bioequivalence will be determined by evaluating the mean percent change from baseline to week 11 in the number of inflammatory lesions.
Time Frame
Week 11 (study day 77)
Secondary Outcome Measure Information:
Title
Superiority against placebo
Description
The superiority of the test and reference against the placebo will be tested for the mean percent reduction in inflamed lesion count at week 11.
Time Frame
Week 11 (study day 77)
10. Eligibility
Sex
All
Minimum Age & Unit of Time
12 Years
Maximum Age & Unit of Time
40 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Male or non-pregnant, non-lactating female, between 12 and 40 years of age with a clinical diagnosis of acne vulgaris.
Signed informed consent form. For a minor, the parent or legal guardian will sign the consent form and patient will sign assent to participate form.
If female of child-bearing potential, prepare to abstain from sexual intercourse or use a reliable method of contraception during the study. Patients on hormonal contraceptives must have been on the same for three months prior to baseline visit and continue throughout the duration of the study.
Have facial acne with 20 or more facial inflammatory lesions and 25 or more non-inflammatory lesions and 2 or less nodulocystic lesions and have an Investigator Global Assessment score of 2, 3 or 4.
Willing to comply with the study requirements and restrictions including refraining from the use of all other topical acne medications or antibiotics during the treatment period.
Exclusion Criteria:
Patient has more than 2 facial nodular lesions.
Patient has active cystic acne.
Patient has acne conglobata.
Patients with excessive facial hair that would interfere with the diagnosis or assessment of acne.
Patients with tatoos or excessive facial scarring that may interfere with the evaluation of the patient's acne.
Patients with active facial sunburn, peeling due to sunburn and patients who will be exposed to excessive sunlight during the study.
Any skin condition other than acne vulgaris that would interfere with the evaluation of the patient's acne.
Females who are pregnant, lactating or likely to become pregnant during the study.
Patients with a history of or active colitis other than irritable bowel syndrome.
History of allergy or hypersensitivity to Clindamycin, Lincomycin or benzoyl peroxide or history of any drug hypersensitivity or intolerance which would compromise the patient's safety or the study.
Significant history or current evidence of chronic infectious disease, system disorder, organ disorder or other medical condition that would place the patient at undue risk by participation.
Use on the face within 1 month prior to screening/baseline or during the study of the following: cryodestruction or chemodestruction, dermabrasion, photodynamic therapy, acne surgery, intralesional steroids, x-ray therapy.
Use of the following within 1 month prior to screening/baseline: spironolactone, systemic steroids, systemic antibiotics, systemic treatment for acne vulgaris (other than oral retinoids which require a 6 month washout), systemic anti-inflammatory agents.
Use of oral isotretinoin (Accutane®) or oral retinoids within 6 months, or therapeutic vitamin A supplements greater than 10,000 units/day.
Use within 2 weeks prior to screening/baseline of the following: topical steroids, topical retinoids, topical acne treatments including over-the-counter preparations, topical anti-inflammatory agents, medicated cleansers, topical antibiotics.
Receipt of any drug as part of a research study within 30 days.
Female patients taking hormonal contraceptives or oral estrogen for less than 3 months and those that plan to change the dosage regimen during the course of the study.
Previous participation in this study.
Employees of the investigator or research center or their immediate family members.
12. IPD Sharing Statement
Learn more about this trial
A Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel to Duac® Topical Gel in the Treatment of Acne Vulgaris
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